feat: Enhance prompt instructions and adjust text splitter parameters for improved document processing

fix: Correct spelling of "diagnostic" to "diagnostic" in config.yaml prompts

feat : add difficult diagnostic pages

fix: Correct spelling of 'INSTALLATION' in config.yaml objectives

Remove unsued variables & add metadata

feat: Add Markdown to HTML conversion for PDF generation

fix: Update diagnostic prompts in config.yaml for consistency

Add real prompt on config

Include pages by chapter

YAML config for chapter

Remove vectore store references

feat: enhance dynamic form management with support for sections and improved input handling

feat: update config.yaml and form.py to support new input types for parameters

Add prompt system in YAML config

Add prompt system

Refactor : pass variable & prompt template by UAML file

Add logo to app and restructure navigation; introduce YAML configuration for prompts